shithub: tinyrend

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fix the vertex shader for some of the shading pipelines.

--- a/main.c

+++ b/main.c

@@ -678,6 +678,23 @@

 	chanfree(donec);

 }

+Point3

+ivshader(VSparams *sp)

+{

+	Matrix3 M, D, V;

+

+	identity3(M);

+	identity3(D);

+	identity3(V);

+	mulm3(M, rota);

+	mulm3(D, proj);

+	mulm3(V, view);

+	mulm3(D, M);

+	mulm3(V, D);

+

+	return xform3(*sp->p, V);

+}

+

 Memimage *

 triangleshader(FSparams *sp)

 {

@@ -793,10 +810,10 @@

 }

 Shader shadertab[] = {

-	{ "triangle", vertshader, triangleshader },

-	{ "circle", vertshader, circleshader },

-	{ "box", vertshader, boxshader },

-	{ "sf", vertshader, sfshader },

+	{ "triangle", ivshader, triangleshader },

+	{ "circle", ivshader, circleshader },

+	{ "box", ivshader, boxshader },

+	{ "sf", ivshader, sfshader },

 	{ "gouraud", vertshader, gouraudshader },

 	{ "toon", vertshader, toonshader },

 };